Analyzer
Sentence analysis
9Spans
Sentence
Span Details
水草
water plant; aquatic plant; waterweednoun
は
topic markergrammar
水質
water qualitynoun
を
object markergrammar
浄化
purification; cleansing; cleanup; purgenoun, suru verb
する
light/support verb with a noun or noun-like phrasegrammar
役割
role; part; dutiesnoun
が
subject markergrammar
ある。
be; exist; have; possess; there is available; be located; be situated; be equipped with; have as a facility or feature; happen; take place; come about; be in a completed state; be left as done-> 有るgodan verb, auxiliary